Terraform RabbitMQ Autocluster

At mytaxi we are handling a lot of MQTT traffic back and forth with the taxi driver app. Thousands of connections must be kept for all online drivers. The system behind that has to be fast and reliable otherwise customers might not be able to book a taxi. Our former RabbitMQ setup was running on Amazon Linux. While planning a RabbitMQ update we found, that Amazon Linux only provides Erlang R14B04 in their repositories. So Amazon Linux was a dead end. We then turned to Docker and slightly modified the alpine-rabbitmq-autocluster image for our needs. Together with an AWS Autoscaling »